1.

Assertion : When one solvent mixed with other solvent vapour pressure of one increases and other decreases. Reason : When any solute added into solvent ,vapour pressure of solvent decreases

Answer»

If both the ASSERTION and REASON are true and reason is a true explanation of the assertion.
If both the assertion and reason are true but reason is not the CORRECT explanation of the assertion
If assertion is true but reason is false
If assertion is false but reason is true.

Answer :B


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